fix(video-clips): update condition to check if ffmpeg is installed

        ]);

        // First, check that requirements to create a video clip are met

        $ffmpeg = trim(shell_exec('type -P ffmpeg'));

        $ffmpeg = shell_exec('which ffmpeg');

        $checks = [

            'ffmpeg' => ! empty($ffmpeg),

            'ffmpeg' => $ffmpeg !== null,

            'gd' => extension_loaded('gd'),

            'freetype' => extension_loaded('gd') && gd_info()['FreeType Support'],

            'transcript' => $this->episode->transcript !== null,